Operation CHARM: Car repair manuals for everyone.

Piston, Engine

Piston Diameter








Measure the piston outside diameter with micrometer at the piston grading position and a right angle to the piston pin.
Piston grading position (from piston skirt)
Piston grading position 11 mm (0.433 inch)
The size mark (1) for piston outside diameter is represented as shown in Figure.
Outside Diameter
Size Mark A 93.360 mm - 93.370 mm (3.6756 inch - 3.6760 inch)
Size Mark B 93.371 mm - 93.380 mm (3.6760 inch - 3.6764 inch)
Size Mark C 93.381 mm - 93.390 mm (3.6764 inch - 3.6768 inch)